diff --git a/auth.go b/auth.go
index 2ad4820..08b703b 100644
--- a/auth.go
+++ b/auth.go
@@ -14,6 +14,10 @@ const (
 
 func checkAuthorization(r *http.Request, route *route) (string, int) {
 	for _, f := range getAuthCheckers() {
+		if route.Auth == nil {
+			continue
+		}
+
 		errStr, statusCode := f(r, route)
 		if errStr != "" {
 			return errStr, statusCode